This circuit was originally designed to measure capacitance with an ICL7107 but can be used with other digital modules. The circuit is from Electronics Now magazine from November 1996.
With this circuit any number of 4017 integrated circuits can be connected in series. The circuit is...
This useful instrument has dual function, operating both as signal injector and continuity tester. The...
This circuit allows you to vary the duty cycle without changing the frequency. An interesting...